🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 291 Days

Day: 18.7 Hours

Environment

Temp: 143 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.9 AU - 0.92 AU

Year: 322 Days

Day: 28.7 Hours

Environment

Temp: 50 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,902,577 km

• M1: 108,907 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.18 AU

Year: 399 Days

Day: 22.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 64,902,577 km

• M1: 29,620 km (0.106 R)
• M2: 53,706 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.34 AU

Year: 518 Days

Day: 35.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,902,577 km

• M1: 565,031 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.52 AU - 1.7 AU

Year: 758 Days

Day: 31.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.34 AU - 2.88 AU

Year: 1564 Days

Day: 42.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,902,577 km

• M1: 215,122 km (0.033 R)
• M2: 563,236 km (0.077 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.09 AU - 4.33 AU

Year: 3204 Days

Day: 28.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 169.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.6

Radius: 4.4

Gravity: 40.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.2 AU - 16.3 AU

Year: 17887 Days

Day: 18.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,902,577 km

• M1: 59,091 km (0.08 R)
• M2: 216,468 km (0.096 R)
• M3: 449,242 km (0.102 R)
• M4: 600,635 km (0.096 R)
• M5: 746,344 km (0.054 R)
• M6: 1,047,335 km (0.097 R)
• M7: 1,471,893 km (0.096 R)
• M8: 1,688,362 km (0.069 R)
• M9: 1,983,518 km (0.1 R)
• M10: 3,404,548 km (0.037 R)
• M11: 3,576,287 km (0.105 R)
• M12: 5,746,503 km (0.072 R)
• M13: 6,031,637 km (0.11 R)
• M14: 8,876,539 km (0.098 R)
• M15: 9,592,963 km (0.114 R)
• M16: 9,994,335 km (0.064 R)
• M17: 10,769,252 km (0.055 R)
• M18: 10,953,706 km (0.037 R)
• M19: 15,957,455 km (0.08 R)
• M20: 18,817,019 km (0.052 R)
• M21: 21,511,276 km (0.075 R)
• M22: 22,496,827 km (0.071 R)
• M23: 23,718,742 km (0.093 R)
• M24: 24,240,839 km (0.095 R)
• M25: 25,199,612 km (0.076 R)
• M26: 31,489,005 km (0.098 R)
• M27: 34,060,742 km (0.1 R)
• M28: 36,216,448 km (0.109 R)
• M29: 37,187,487 km (0.069 R)
• M30: 43,536,122 km (0.103 R)
• M31: 48,536,132 km (0.113 R)
• M32: 50,570,064 km (0.046 R)
• M33: 50,914,588 km (0.107 R)
• M34: 53,726,430 km (0.094 R)
• M35: 54,988,587 km (0.096 R)
• M36: 56,825,649 km (0.04 R)
• M37: 59,083,679 km (0.063 R)
• M38: 60,042,003 km (0.037 R)
• M39: 62,780,093 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.9

Radius: 7.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.5 AU - 16.88 AU

Year: 18785 Days

Day: 20.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,902,577 km

• M1: 95,743 km (0.113 R)
• M2: 958,474 km (0.075 R)
• M3: 1,793,529 km (0.053 R)
• M4: 2,279,572 km (0.076 R)
• M5: 3,969,729 km (0.038 R)
• M6: 4,897,236 km (0.106 R)
• M7: 8,947,748 km (0.107 R)
• M8: 9,689,454 km (0.12 R)
• M9: 10,528,997 km (0.075 R)
• M10: 12,610,053 km (0.114 R)
• M11: 14,375,907 km (0.112 R)
• M12: 17,893,401 km (0.101 R)
• M13: 20,115,678 km (0.104 R)
• M14: 24,997,206 km (0.053 R)
• M15: 26,039,005 km (0.088 R)
• M16: 32,658,562 km (0.119 R)
• M17: 42,039,694 km (0.1 R)
• M18: 49,741,741 km (0.078 R)
• M19: 58,514,459 km (0.102 R)
• M20: 61,091,432 km (0.062 R)
• M21: 62,407,893 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 15,743 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit